# SimpleTools vs Quantum Atlas

The clearest difference is monetization model: Quantum Atlas at free against SimpleTools's freemium. Quantum Atlas also leads on iOS requirement (15.1 vs 17). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days and Quantum Atlas sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for SimpleTools against 5.0 for Quantum Atlas. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | SimpleTools | Quantum Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/simpletools-physics-solver/id6763109662/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/quantum-atlas/id6771914560/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | **Free** |
| Size | 17 MB | 37 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yevhenii Kniaziev](https://appshunter.io/developer/1878685835) | [Elisha Perelman](https://appshunter.io/developer/6771914562) |

## What reviewers say

### SimpleTools

[App page](https://appshunter.io/ios/app/simpletools-physics-solver/id6763109662)

Instantly solve physics problems with AI-powered, step-by-step explanations. Simply scan a physics problem with your device's camera to receive a clear, structured solution in seconds. Ideal for students and parents seeking to understand problem-solving methods.

**Highlights:** AI-powered physics problem solving, Photo scanning for problem input, Step-by-step solution explanations, Covers mechanics, forces, energy, electricity, and more, Unlimited solutions with premium subscription, Free daily problem solving

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $29.99 | per year |


### Quantum Atlas

[App page](https://appshunter.io/ios/app/quantum-atlas/id6771914560)

Explore the fundamental building blocks of reality with interactive simulations and clear explanations of quantum physics concepts. This pocket-sized reference makes complex theories accessible through a particle table, concept cards, and hands-on experiments.

**Highlights:** Interactive particle table, 12 concept cards for quick learning, 22 touchable physics simulations, Theory atlases for deeper understanding, Decay and Spectra explorers, Offline and private usage

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quantum Atlas Pro | $2.99 | one-time |


## Frequently asked questions

### Is SimpleTools free?

SimpleTools is free to download, with in-app purchases available.

### Is Quantum Atlas free?

Quantum Atlas is free to download, with in-app purchases available.

### Which has better reviews, SimpleTools or Quantum Atlas?

SimpleTools and Quantum Atlas are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do SimpleTools or Quantum Atlas have ads?

Neither SimpleTools nor Quantum Atlas shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*